<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>NaN</title>
  </head>
  <body>
    <div>访问链接: <span id="title"></span></div>
    <div>扩展: chrome://extensions/</div>
  </body>
  <script>
    document.title = decodeURI(window.location.href);
    window.document.getElementById('title').innerText = decodeURI(window.location.href);
  </script>
</html>